An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

One of the first projects that most people do on an Arduino is to light up or flash an LED. It seems ultra-simple because it is. Wiring up a circuit like this is actually pretty straightforward, as is ...

The Arduino UNO R4 brought a modern 32-bit platform to the UNO form factor. Arduino’s Alessandro Ranellucci explained the ...

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

Build festive decorations using Arduino and Raspberry Pi with these five creative holiday projects and video tutorials ...

each with different compile parameters. It can be used e.g. to test-compile all examples contained in an Arduino library repository. If you want to test compile just a sketch, it is not required that ...

The I2CKeyPad library implements the reading of a 4x4 keypad by means of a PCF8574. Smaller keypads, meaning less columns or rows (4x3) can be read with it too. Since 0.3.2 the library allows a 5x3, ...

Chen Liang (陳亮) has found an interesting use case for the Espressif ESP32-C5: a dual-band Wi-Fi analyzer showing the signal strength of 2.4 GHz and 5 GHz ...

What's CODE SWITCH? It's the fearless conversations about race that you've been waiting for. Hosted by journalists of color, our podcast tackles the subject of race with empathy and humor. We explore ...

December 3, 2025 • The Trump administration has been firing immigration judges, despite the fact that there’s a massive backlog of immigration cases that need rulings. Ximena Bustillo, NPR’s ...

I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, these ...